Do not update DNS RFC2136 if the public IP address cannot be determined. Fixes #12617
Do not update DNS RFC2136 if the public IP address cannot be determined. Fixes #12617

NewEraCracker/pfsense,NewEraCracker/pfsense,pfsense/pfsense,dennypage/pfsense,pfsense/pfsense,NewEraCracker/pfsense,dennypage/pfsense,dennypage/pfsense,pfsense/pfsense,NewEraCracker/pfsense,dennypage/pfsense,pfsense/pfsense